Unit 2 terms Flashcards

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1
Q

Structural Adaptation

A

Physical adaptations in a animal

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2
Q

behavioral adaptation

A

fight or flight behaviors, acting dead to survive

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3
Q

physiological adaptation

A

variations in metabolic processes of an organism

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4
Q

selective pressure

A

choose what traits are beneficial for survival and what traits are detrimental for survival

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5
Q

sexual selective pressure

A

traits that increase mating success, traits to help attract a mate

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6
Q

Directional selection

A

one extreme is favored over the other

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7
Q

Stabilizing selection

A

*the middle is favored over both extremes

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8
Q

Disruptive selection

A

both extremes are favored over the middle

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9
Q

Natural Selection

A

organism with successful variations will better survive, reproduce and pass their variations on the next generation

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10
Q

gene flow

A

when organism move from one population to another and their genes join the new population

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11
Q

gene pool

A

all of the genes within a population

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12
Q

alleles

A

different versions of genes

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13
Q

genetic drift

A

change in gene frequencies due to random chance

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14
Q

genetic mutations

A

any change in the DNA sequence of an organism

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